What is equivalent to 0.05

Add the fractions and simplify 1/2+ 1/3

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g

Write the standard form of the equation of the circle with the given characteristics. center: (4,-3); solution point: (0,0)